Supplemental Condensed Consolidating Statements of Cash Flows (Detail) (USD $) In Millions	12 Months Ended
Dec. 31, 2010 HOST HOTELS & RESORTS L.P.	Dec. 31, 2009 HOST HOTELS & RESORTS L.P.	Dec. 31, 2008 HOST HOTELS & RESORTS L.P.	Dec. 31, 2010 HOST HOTELS & RESORTS L.P. Company Parent Member	Dec. 31, 2009 HOST HOTELS & RESORTS L.P. Company Parent Member	Dec. 31, 2008 HOST HOTELS & RESORTS L.P. Company Parent Member	Dec. 31, 2010 HOST HOTELS & RESORTS L.P. Guarantor Subsidiaries	Dec. 31, 2009 HOST HOTELS & RESORTS L.P. Guarantor Subsidiaries	Dec. 31, 2008 HOST HOTELS & RESORTS L.P. Guarantor Subsidiaries	Dec. 31, 2010 HOST HOTELS & RESORTS L.P. Non-Guarantor Subsidiaries	Dec. 31, 2009 HOST HOTELS & RESORTS L.P. Non-Guarantor Subsidiaries	Dec. 31, 2008 HOST HOTELS & RESORTS L.P. Non-Guarantor Subsidiaries
OPERATING ACTIVITIES
Cash provided by operations	$ 520	$ 552	$ 1,020	$ 22	$ 64	$ 60	$ 239	$ 197	$ 401	$ 259	$ 291	$ 559
INVESTING ACTIVITIES
Proceeds from sales of assets, net	12	199	38	3	30	14	9	143	24		26
Acquisitions	(342)						(164)			(178)
Proceeds from sale of interest in CMB Joint Venture LLC		13			13
Deposits for acquisitions	(38)			(38)
Investment in and return of capital from affiliates, net		32			32
Deferred sale proceeds received from HPT	17.0									17.0
Investment in affiliates	(1)	(7)	(77)	(1)		(77)
Purchase of mortgage note on a portfolio of hotels	(53)						(53)
Capital expenditures	(309)	(340)	(672)	(20)	(24)	(54)	(154)	(173)	(356)	(135)	(143)	(262)
Change in furniture, fixtures & equipment (FF&E) replacement fund	(17)	(6)	3	(17)	(4)	(4)	3	20	5	(3)	(22)	2
Change in FF&E replacement funds designated as restricted cash	22	(14)	6					(4)	6	22	(10)
Property insurance proceeds	3									3
Other			(14)									(14)
Cash provided by (used in) investing activities	(706)	(116)	(716)	(73)	47	(121)	(359)	(14)	(321)	(274)	(149)	(274)
FINANCING ACTIVITIES
Financing costs	(10)	(20)	(8)	(9)	(15)	(3)				(1)	(5)	(5)
Issuance of debt	500	906	300	500	786						120	300
Draw on credit facility	56		410	56		410
Repayment on credit facility		(410)			(410)
Repurchase/redemption of senior notes, including exchangeable debentures	(821)	(139)	(82)	(821)		(82)
Repurchase/redemption of senior notes, including exchangeable debentures		(139)			(139)
Mortgage debt prepayments and scheduled maturities	(364)	(342)	(245)					(342)	(34)	(364)		(211)
Scheduled principal repayments	(13)	(14)	(16)				(2)	(3)	(6)	(11)	(11)	(10)
Common OP unit issuance	406	767		406	767
Common OP unit repurchase			(100)			(100)
Redemption of preferred OP units	(101)			(101)
Distributions on common OP units	(20)	(43)	(542)	(20)	(43)	(542)
Distributions on preferred OP units	(6)	(9)	(9)	(6)	(9)	(9)
Distributions to non-controlling interests	(4)	(2)	(8)							(4)	(2)	(8)
Contributions from non-controlling interests	11									11
Change in restricted cash for financing activities	23	4	16	5			(1)	3	1	19	1	15
Transfers to/from Parent				(551)	37	346	119	149	(60)	432	(186)	(286)
Cash provided by (used in) financing activities	(343)	698	(284)	(541)	974	20	116	(193)	(99)	82	(83)	(205)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	$ (529)	$ 1,134	$ 20	$ (592)	$ 1,085	$ (41)	$ (4)	$ (10)	$ (19)	$ 67	$ 59	$ 80

Cash Contribution From Noncontrolling Interest

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Payment of dividends or other distributions to noncontrolling interest holders.

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Distributions Paid to Common Unitholders

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Distributions Paid to Preferred Unitholders

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The net cash inflow (outflow) for furniture, fixtures and equipment reserves.

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The net cash inflow/outflow related to investments in / return of capital from an unconsolidated subsidiary, affiliate, joint venture or other equity method investment.

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Investment In Equity Affiliates And Proceeds From Collection Of Advance To Affiliate

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Payments To Acquire Productive Assets And Repositioning And Other Investments

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Payments to Repurchase Common OP Units

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Proceeds from Issuance of Common OP Units

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Deferred sale proceeds received from HPT

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Redemption of preferred OP Unit

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Scheduled principal repayments.

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The net change between the beginning and ending balance of cash and cash equivalents.

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The net cash inflow (outflow) for the net change associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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The net cash inflow (outflow) from financing activity for the period.

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The net cash inflow (outflow) from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities include all transactions and events that are not defined as investing or financing activities. Operating activities generally involve producing and delivering goods and providing services. Cash flows from operating activities are generally the cash effects of transactions and other events that enter into the determination of net income.

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The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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The net cash outflow (inflow) from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.

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- Definition

The cash inflow from the sale of an interest in an investment in an entity in which the reporting entity shares control of the entity with another party or group.

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The cash inflow from the amounts received by the insured under the terms of an insurance contract settlement. This element pertains only to insurance proceeds related to investments, for example fixed assets. It excludes insurance settlements classified as operating cash flows.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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The cash inflow from other borrowing not otherwise defined in the taxonomy.

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The net cash inflow (outflow) from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The net cash inflow (outflow) from cash and cash items that are not available for withdrawal or usage.

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The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

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The cash outflow to pay off an obligation from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity.

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The cash outflow for the payment of other borrowing not otherwise defined in the taxonomy.

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The cash outflow from the payment of collateralized debt obligation (backed by pledge, mortgage or other lien in the entity's assets).

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The cash outflow for a debt where holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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